<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://" + request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
<head>
    <base href="<%=basePath%>">
    <title>Title</title>
</head>
<body>
<%
    String username = request.getParameter("username");
%>
<p>用户名:<%=username%>
</p>
</body>
</html>
